Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.156031E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:16:23+0800
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    1 Object 1

    AOE ID 64540
    NORAD ID 64540
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65920
    NORAD ID 65920
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ARCSTONE STARLINK-33902
    Time of Closest Approach 2026-09-04T07:08:20+0000
    Collision Probability (Pc) 5.156031E-6
    Conjunction Distance (km) 1.429 km
    Relative Speed (km/s) 7.953 km/s
    Conjunction Risk Parameters R (Radial): 1.346 | I (In-track): -0.412 | C (Cross-track): 0.247
    Collision Risk Index (CRI) 0.49
    X Position (km) 5029.666 5030.402
    Position Y (km) 1092.313 1092.297
    Position Z (km) -4511.654 -4512.879
    Velocity X (km/s) 5.118 1.672
    Velocity Y (km/s) -0.237 6.587
    Velocity Z (km/s) 5.65 3.461

    Orbital Parameters 国际轨道数据源

    Parameter ARCSTONE STARLINK-33902
    Semimajor Axis (a) 6838.332 km 6840.845 km
    Eccentricity (e) 0.000153 0.000132
    Inclination (i) 97.4679° 53.1600°
    RAAN 3.6108° 63.0427°
    Perigee Argument 258.7743° 81.3427°
    Mean Anomaly (M) 101.3328° 278.7725°
    Apogee 461.242 km 463.611 km
    Perigee 459.148 km 461.805 km
    Orbit Epoch 2026-09-02T06:49:42+0000 2026-09-02T05:21:27+0000

    ARCSTONE & STARLINK-33902 Collision Probability (Pc) Trend

    ARCSTONE & STARLINK-33902 Collision Probability (Pc) TrendNot Available

    ARCSTONE & STARLINK-33902 Miss Distance (Miss Distance) Trend

    ARCSTONE & STARLINK-33902 Miss Distance (Miss Distance) TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33902Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ARCSTONECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33902Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ARCSTONE

    No nearby objects data